jquery/jquery.js

   1 /*
   2  * jQuery - New Wave Javascript
   3  *
   4  * Copyright (c) 2006 John Resig (jquery.com)
   5  * Licensed under the MIT License:
   6  *   http://www.opensource.org/licenses/mit-license.php
   7  *
   8  * $Date$
   9  * $Rev$
  10  */
  11
  12 // Global undefined variable
  13 window.undefined = window.undefined;
  14
  15 // Map over the $ in case of overwrite
  16 if ( $ ) var _$ = $;
  17
  18 /**
  19  * Create a new jQuery Object
  20  * @constructor
  21  */
  22 var $ = jQuery = function(a,c) {
  23         /*
  24         * Handle support for overriding other $() functions. Way too many libraries
  25         * provide this function to simply ignore it and overwrite it.
  26         */
  27
  28         // Check to see if this is a possible collision case
  29         if ( _$ && !c && ( a.constructor == String &&
  30
  31                 // Make sure that the expression is a colliding one
  32                 !/[^a-zA-Z0-9_-]/.test(a) &&
  33
  34                 // and that there are no elements that match it
  35                 // (this is the one truly ambiguous case)
  36                 !document.getElementsByTagName(a).length ) ||
  37
  38                 // Watch for an array being passed in (Prototype 1.5)
  39                 a.constructor == Array )
  40
  41                         // Use the default method, in case it works some voodoo
  42                         return _$( a );
  43
  44         // Watch for when a jQuery object is passed in as an arg
  45         if ( a && a.jquery )
  46                 return a;
  47
  48         // If the context is global, return a new object
  49         if ( window == this )
  50                 return new jQuery(a,c);
  51
  52         // Find the matching elements and save them for later
  53         this.cur = jQuery.Select(
  54                 a || jQuery.context || document,
  55                 c && c.jquery && c.get(0) || c
  56         );
  57 }
  58
  59 jQuery.fn = jQuery.prototype = {
  60         /**
  61          * The current SVN version of jQuery.
  62          *
  63          * @private
  64          * @type String
  65          */
  66         jquery: "$Rev$",
  67
  68         /**
  69          * The number of elements currently matched.
  70          *
  71          * @type Number
  72          */
  73         size: function() {
  74                 return this.get().length;
  75         },
  76
  77         /**
  78          * Access the elements matched. If a number is provided,
  79          * the Nth element is returned, otherwise, an array of all
  80          * matched items is returned.
  81          *
  82          * @type Array,DOMElement
  83          */
  84         get: function(num) {
  85                 return num == undefined ? this.cur : this.cur[num];
  86         },
  87
  88         each: function(f) {
  89                 for ( var i = 0; i < this.size(); i++ )
  90                         f.apply( this.get(i), [i] );
  91                 return this;
  92         },
  93         set: function(a,b) {
  94                 return this.each(function(){
  95                         if ( b === undefined )
  96                                 for ( var j in a )
  97                                         jQuery.attr(this,j,a[j]);
  98                         else
  99                                 jQuery.attr(this,a,b);
 100                 });
 101         },
 102         html: function(h) {
 103                 return h == undefined && this.size() ?
 104                         this.get(0).innerHTML : this.set( "innerHTML", h );
 105         },
 106         val: function(h) {
 107                 return h == undefined && this.size() ?
 108                         this.get(0).value : this.set( "value", h );
 109         },
 110         text: function(e) {
 111                 e = e || this.get();
 112                 var t = "";
 113                 for ( var j = 0; j < e.length; j++ ) {
 114                         var r = e[j].childNodes;
 115                         for ( var i = 0; i < r.length; i++ )
 116                                 t += r[i].nodeType != 1 ?
 117                                         r[i].nodeValue : jQuery.fn.text([ r[i] ]);
 118                 }
 119                 return t;
 120         },
 121
 122         css: function(a,b) {
 123                 return a.constructor != String || b ?
 124                         this.each(function(){
 125                                 if ( b === undefined )
 126                                         for ( var j in a )
 127                                                 jQuery.attr(this.style,j,a[j]);
 128                                 else
 129                                         jQuery.attr(this.style,a,b);
 130                         }) : jQuery.css( this.get(0), a );
 131         },
 132         toggle: function() {
 133                 return this.each(function(){
 134                         var d = jQuery.css(this,"display");
 135                         if ( !d || d == "none" )
 136                                 $(this).show();
 137                         else
 138                                 $(this).hide();
 139                 });
 140         },
 141         show: function() {
 142                 return this.each(function(){
 143                         this.style.display = this.oldblock ? this.oldblock : "";
 144                         if ( jQuery.css(this,"display") == "none" )
 145                                 this.style.display = "block";
 146                 });
 147         },
 148         hide: function() {
 149                 return this.each(function(){
 150                         this.oldblock = jQuery.css(this,"display");
 151                         if ( this.oldblock == "none" )
 152                                 this.oldblock = "block";
 153                         this.style.display = "none";
 154                 });
 155         },
 156         addClass: function(c) {
 157                 return this.each(function(){
 158                         jQuery.className.add(this,c);
 159                 });
 160         },
 161         removeClass: function(c) {
 162                 return this.each(function(){
 163                         jQuery.className.remove(this,c);
 164                 });
 165         },
 166
 167         toggleClass: function(c) {
 168                 return this.each(function(){
 169                         if (jQuery.hasWord(this,c))
 170                                 jQuery.className.remove(this,c);
 171                         else
 172                                 jQuery.className.add(this,c);
 173                 });
 174         },
 175         remove: function() {
 176                 return this.each(function(){
 177                         this.parentNode.removeChild( this );
 178                 });
 179         },
 180
 181         wrap: function() {
 182                 var a = jQuery.clean(arguments);
 183                 return this.each(function(){
 184                         var b = a[0].cloneNode(true);
 185                         this.parentNode.insertBefore( b, this );
 186                         while ( b.firstChild )
 187                                 b = b.firstChild;
 188                         b.appendChild( this );
 189                 });
 190         },
 191
 192         append: function() {
 193                 var clone = this.size() > 1;
 194                 var a = jQuery.clean(arguments);
 195                 return this.domManip(function(){
 196                         for ( var i = 0; i < a.length; i++ )
 197                                 this.appendChild( clone ? a[i].cloneNode(true) : a[i] );
 198                 });
 199         },
 200
 201         appendTo: function() {
 202                 var a = arguments;
 203                 return this.each(function(){
 204                         for ( var i = 0; i < a.length; i++ )
 205                                 $(a[i]).append( this );
 206                 });
 207         },
 208
 209         prepend: function() {
 210                 var clone = this.size() > 1;
 211                 var a = jQuery.clean(arguments);
 212                 return this.domManip(function(){
 213                         for ( var i = a.length - 1; i >= 0; i-- )
 214                                 this.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.firstChild );
 215                 });
 216         },
 217
 218         before: function() {
 219                 var clone = this.size() > 1;
 220                 var a = jQuery.clean(arguments);
 221                 return this.each(function(){
 222                         for ( var i = 0; i < a.length; i++ )
 223                                 this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this );
 224                 });
 225         },
 226
 227         after: function() {
 228                 var clone = this.size() > 1;
 229                 var a = jQuery.clean(arguments);
 230                 return this.each(function(){
 231                         for ( var i = a.length - 1; i >= 0; i-- )
 232                                 this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.nextSibling );
 233                 });
 234         },
 235
 236         empty: function() {
 237                 return this.each(function(){
 238                         while ( this.firstChild )
 239                                 this.removeChild( this.firstChild );
 240                 });
 241         },
 242
 243         bind: function(t,f) {
 244                 return this.each(function(){jQuery.event.add(this,t,f);});
 245         },
 246         unbind: function(t,f) {
 247                 return this.each(function(){jQuery.event.remove(this,t,f);});
 248         },
 249         trigger: function(t) {
 250                 return this.each(function(){jQuery.event.trigger(this,t);});
 251         },
 252
 253         pushStack: function(a) {
 254                 if ( !this.stack ) this.stack = [];
 255                 this.stack.unshift( this.cur );
 256                 if ( a ) this.cur = a;
 257                 return this;
 258         },
 259
 260         find: function(t) {
 261                 var ret = [];
 262                 this.each(function(){
 263                         ret = jQuery.merge( ret, jQuery.Select(t,this) );
 264                 });
 265                 this.pushStack( ret );
 266                 return this;
 267         },
 268
 269         end: function() {
 270                 this.cur = this.stack.shift();
 271                 return this;
 272         },
 273
 274         parent: function(a) {
 275                 var ret = jQuery.map(this.cur,"a.parentNode");
 276                 if ( a ) ret = jQuery.filter(a,ret).r;
 277                 return this.pushStack(ret);
 278         },
 279
 280         parents: function(a) {
 281                 var ret = jQuery.map(this.cur,jQuery.parents);
 282                 if ( a ) ret = jQuery.filter(a,ret).r;
 283                 return this.pushStack(ret);
 284         },
 285
 286         siblings: function(a) {
 287                 // Incorrect, need to exclude current element
 288                 var ret = jQuery.map(this.cur,jQuery.sibling);
 289                 if ( a ) ret = jQuery.filter(a,ret).r;
 290                 return this.pushStack(ret);
 291         },
 292
 293         filter: function(t) {
 294                 if ( /,/.test(t) ) {
 295                         var p = t.split(/\s*,\s*/);
 296                         return this.pushStack( $.map(this.cur,function(a){
 297                                 for ( var i = 0; i < p.length; i++ )
 298                                         if ( jQuery.filter(p[i],[a]).r.length )
 299                                                 return a;
 300                         }) );
 301                 } else
 302                         return this.pushStack( jQuery.filter(t,this.cur).r );
 303         },
 304         not: function(t) {
 305                 return this.pushStack( t.constructor == String ?
 306                         jQuery.filter(t,this.cur,false).r :
 307                         jQuery.grep(this.cur,function(a){ return a != t; }) );
 308         },
 309         add: function(t) {
 310                 return this.pushStack( jQuery.merge( this.cur, t.constructor == String ?
 311                         jQuery.Select(t) : t.constructor == Array ? t : [t] ) );
 312         },
 313
 314         /**
 315          * A wrapper function for each() to be used by append and prepend.
 316          * Handles cases where you're trying to modify the inner contents of
 317          * a table, when you actually need to work with the tbody.
 318          *
 319          * @member jQuery
 320          * @param {String} expr The expression with which to filter
 321          * @type Boolean
 322          */
 323         is: function(expr) {
 324                 return jQuery.filter(expr,this.cur).r.length > 0;
 325         },
 326
 327         /**
 328          * A wrapper function for each() to be used by append and prepend.
 329          * Handles cases where you're trying to modify the inner contents of
 330          * a table, when you actually need to work with the tbody.
 331          *
 332          * @private
 333          * @member jQuery
 334          * @param {Function} fn The function doing the DOM manipulation.
 335          * @type jQuery
 336          */
 337         domManip: function(fn){
 338                 return this.each(function(){
 339                         var obj = this;
 340
 341                         if ( this.nodeName == "TABLE" ) {
 342                                 var tbody = this.getElementsByTagName("tbody");
 343
 344                                 if ( !tbody.length ) {
 345                                         obj = document.createElement("tbody");
 346                                         this.appendChild( obj );
 347                                 } else
 348                                         obj = tbody[0];
 349                         }
 350
 351                         fn.apply( obj );
 352                 });
 353         }
 354 };
 355
 356 jQuery.className = {
 357         add: function(o,c){
 358                 if (jQuery.hasWord(o,c)) return;
 359                 o.className += ( o.className ? " " : "" ) + c;
 360         },
 361         remove: function(o,c){
 362                 o.className = !c ? "" :
 363                         o.className.replace(
 364                                 new RegExp("(^|\\s*\\b[^-])"+c+"($|\\b(?=[^-]))", "g"), "");
 365         }
 366 };
 367
 368 (function(){
 369         var b = navigator.userAgent.toLowerCase();
 370
 371         // Figure out what browser is being used
 372         jQuery.browser =
 373                 ( /webkit/.test(b) && "safari" ) ||
 374                 ( /opera/.test(b) && "opera" ) ||
 375                 ( /msie/.test(b) && "msie" ) ||
 376                 ( !/compatible/.test(b) && "mozilla" ) ||
 377                 "other";
 378
 379         // Check to see if the W3C box model is being used
 380         jQuery.boxModel = ( jQuery.browser != "msie" || document.compatMode == "CSS1Compat" );
 381 })();
 382
 383 $.swap = function(e,o,f) {
 384         for ( var i in o ) {
 385                 e.style["old"+i] = e.style[i];
 386                 e.style[i] = o[i];
 387         }
 388         f.apply( e, [] );
 389         for ( var i in o )
 390                 e.style[i] = e.style["old"+i];
 391 };
 392
 393 jQuery.css = function(e,p) {
 394         // Adapted from Prototype 1.4.0
 395         if ( p == "height" || p == "width" ) {
 396                 var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];
 397
 398                 for ( var i in d ) {
 399                         old["padding" + d[i]] = 0;
 400                         old["border" + d[i] + "Width"] = 0;
 401                 }
 402
 403                 $.swap( e, old, function() {
 404                         if (jQuery.css(e,"display") != 'none') {
 405                                 oHeight = e.offsetHeight;
 406                                 oWidth = e.offsetWidth;
 407                         } else
 408                                 $.swap( e, { visibility: 'hidden', position: 'absolute', display: '' },
 409                                         function(){
 410                                                 oHeight = e.clientHeight;
 411                                                 oWidth = e.clientWidth;
 412                                         });
 413                 });
 414
 415                 return p == "height" ? oHeight : oWidth;
 416         }
 417
 418         var r;
 419
 420         if (e.style[p])
 421                 r = e.style[p];
 422         else if (e.currentStyle)
 423                 r = e.currentStyle[p];
 424         else if (document.defaultView && document.defaultView.getComputedStyle) {
 425                 p = p.replace(/([A-Z])/g,"-$1").toLowerCase();
 426                 var s = document.defaultView.getComputedStyle(e,"");
 427                 r = s ? s.getPropertyValue(p) : null;
 428         }
 429
 430         return r;
 431 };
 432
 433 jQuery.clean = function(a) {
 434         var r = [];
 435         for ( var i = 0; i < a.length; i++ ) {
 436                 if ( a[i].constructor == String ) {
 437
 438                         if ( !a[i].indexOf("<tr") ) {
 439                                 var tr = true;
 440                                 a[i] = "<table>" + a[i] + "</table>";
 441                         } else if ( !a[i].indexOf("<td") || !a[i].indexOf("<th") ) {
 442                                 var td = true;
 443                                 a[i] = "<table><tbody><tr>" + a[i] + "</tr></tbody></table>";
 444                         }
 445
 446                         var div = document.createElement("div");
 447                         div.innerHTML = a[i];
 448
 449                         if ( tr || td ) {
 450                                 div = div.firstChild.firstChild;
 451                                 if ( td ) div = div.firstChild;
 452                         }
 453
 454                         for ( var j = 0; j < div.childNodes.length; j++ )
 455                                 r[r.length] = div.childNodes[j];
 456                 } else if ( a[i].length && !a[i].nodeType )
 457                         for ( var k = 0; k < a[i].length; k++ )
 458                                 r[r.length] = a[i][k];
 459                 else if ( a[i] !== null )
 460                         r[r.length] =
 461                                 a[i].nodeType ? a[i] : document.createTextNode(a[i].toString());
 462         }
 463         return r;
 464 };
 465
 466 jQuery.g = {
 467         "": "m[2]== '*'||a.nodeName.toUpperCase()==m[2].toUpperCase()",
 468         "#": "a.getAttribute('id')&&a.getAttribute('id')==m[2]",
 469         ":": {
 470                 lt: "i<m[3]-0",
 471                 gt: "i>m[3]-0",
 472                 nth: "m[3]-0==i",
 473                 eq: "m[3]-0==i",
 474                 first: "i==0",
 475                 last: "i==r.length-1",
 476                 even: "i%2==0",
 477                 odd: "i%2==1",
 478                 "first-child": "jQuery.sibling(a,0).cur",
 479                 "nth-child": "(m[3]=='even'?jQuery.sibling(a,m[3]).n%2==0:(m[3]=='odd'?jQuery.sibling(a,m[3]).n%2==1:jQuery.sibling(a,m[3]).cur))",
 480                 "last-child": "jQuery.sibling(a,0,true).cur",
 481                 "nth-last-child": "jQuery.sibling(a,m[3],true).cur",
 482                 "first-of-type": "jQuery.ofType(a,0)",
 483                 "nth-of-type": "jQuery.ofType(a,m[3])",
 484                 "last-of-type": "jQuery.ofType(a,0,true)",
 485                 "nth-last-of-type": "jQuery.ofType(a,m[3],true)",
 486                 "only-of-type": "jQuery.ofType(a)==1",
 487                 "only-child": "jQuery.sibling(a).length==1",
 488                 parent: "a.childNodes.length",
 489                 empty: "!a.childNodes.length",
 490                 root: "a==(a.ownerDocument||document).documentElement",
 491                 contains: "(a.innerText||a.innerHTML).indexOf(m[3])!=-1",
 492                 visible: "(!a.type||a.type!='hidden')&&(jQuery.css(a,'display')!='none'&&jQuery.css(a,'visibility')!= 'hidden')",
 493                 hidden: "(a.type&&a.type=='hidden')||jQuery.css(a,'display')=='none'||jQuery.css(a,'visibility')== 'hidden'",
 494                 enabled: "!a.disabled",
 495                 disabled: "a.disabled",
 496                 checked: "a.checked"
 497         },
 498         ".": "jQuery.hasWord(a,m[2])",
 499         "@": {
 500                 "=": "jQuery.attr(a,m[3])==m[4]",
 501                 "!=": "jQuery.attr(a,m[3])!=m[4]",
 502                 "~=": "jQuery.hasWord(jQuery.attr(a,m[3]),m[4])",
 503                 "|=": "!jQuery.attr(a,m[3]).indexOf(m[4])",
 504                 "^=": "!jQuery.attr(a,m[3]).indexOf(m[4])",
 505                 "$=": "jQuery.attr(a,m[3]).substr( jQuery.attr(a,m[3]).length - m[4].length,m[4].length )==m[4]",
 506                 "*=": "jQuery.attr(a,m[3]).indexOf(m[4])>=0",
 507                 "": "m[3]=='*'?a.attributes.length>0:jQuery.attr(a,m[3])"
 508         },
 509         "[": "jQuery.Select(m[2],a).length"
 510 };
 511
 512 jQuery.token = [
 513         "\\.\\.|/\\.\\.", "a.parentNode",
 514         ">|/", "jQuery.sibling(a.firstChild)",
 515         "\\+", "jQuery.sibling(a).next",
 516         "~", function(a){
 517                 var r = [];
 518                 var s = jQuery.sibling(a);
 519                 if ( s.n > 0 )
 520                         for ( var i = s.n; i < s.length; i++ )
 521                                 r[r.length] = s[i];
 522                 return r;
 523         }
 524 ];
 525
 526 jQuery.Select = function( t, context ) {
 527         context = context || jQuery.context || document;
 528         if ( t.constructor != String )
 529                 return t.constructor == Array ? t : [t];
 530
 531         if ( !t.indexOf("//") ) {
 532                 context = context.documentElement;
 533                 t = t.substr(2,t.length);
 534         } else if ( !t.indexOf("/") ) {
 535                 context = context.documentElement;
 536                 t = t.substr(1,t.length);
 537                 // FIX Assume the root element is right :(
 538                 if ( t.indexOf("/") >= 1 )
 539                         t = t.substr(t.indexOf("/"),t.length);
 540         }
 541
 542         var ret = [context];
 543         var done = [];
 544         var last = null;
 545
 546         while ( t.length > 0 && last != t ) {
 547     var r = [];
 548                 last = t;
 549
 550     t = jQuery.cleanSpaces(t).replace( /^\/\//i, "" );
 551
 552                 var foundToken = false;
 553
 554                 for ( var i = 0; i < jQuery.token.length; i += 2 ) {
 555                         var re = new RegExp("^(" + jQuery.token[i] + ")");
 556                         var m = re.exec(t);
 557
 558                         if ( m ) {
 559                                 r = ret = jQuery.map( ret, jQuery.token[i+1] );
 560                                 t = jQuery.cleanSpaces( t.replace( re, "" ) );
 561                                 foundToken = true;
 562                         }
 563                 }
 564
 565                 if ( !foundToken ) {
 566
 567                         if ( !t.indexOf(",") || !t.indexOf("|") ) {
 568                                 if ( ret[0] == context ) ret.shift();
 569                                 done = jQuery.merge( done, ret );
 570                                 r = ret = [context];
 571                                 t = " " + t.substr(1,t.length);
 572                         } else {
 573                                 var re2 = /^([#.]?)([a-z0-9\\*_-]*)/i;
 574                                 var m = re2.exec(t);
 575
 576                                 if ( m[1] == "#" ) {
 577                                         // Ummm, should make this work in all XML docs
 578                                         var oid = document.getElementById(m[2]);
 579                                         r = ret = oid ? [oid] : [];
 580                                         t = t.replace( re2, "" );
 581                                 } else {
 582                                         if ( !m[2] || m[1] == "." ) m[2] = "*";
 583
 584                                         for ( var i = 0; i < ret.length; i++ )
 585                                                 r = jQuery.merge( r,
 586                                                         m[2] == "*" ?
 587                                                                 jQuery.getAll(ret[i]) :
 588                                                                 ret[i].getElementsByTagName(m[2])
 589                                                 );
 590                                 }
 591                         }
 592
 593                 }
 594
 595                 if ( t ) {
 596                         var val = jQuery.filter(t,r);
 597                         ret = r = val.r;
 598                         t = jQuery.cleanSpaces(val.t);
 599                 }
 600         }
 601
 602         if ( ret && ret[0] == context ) ret.shift();
 603         done = jQuery.merge( done, ret );
 604
 605         return done;
 606 };
 607
 608 jQuery.getAll = function(o,r) {
 609         r = r || [];
 610         var s = o.childNodes;
 611         for ( var i = 0; i < s.length; i++ )
 612                 if ( s[i].nodeType == 1 ) {
 613                         r[r.length] = s[i];
 614                         jQuery.getAll( s[i], r );
 615                 }
 616         return r;
 617 };
 618
 619 jQuery.attr = function(o,a,v){
 620         if ( a && a.constructor == String ) {
 621                 var fix = {
 622                         "for": "htmlFor",
 623                         "class": "className",
 624                         "float": "cssFloat"
 625                 };
 626                 a = (fix[a] && fix[a].replace && fix[a]) || a;
 627                 var r = /-([a-z])/ig;
 628                 a = a.replace(r,function(z,b){return b.toUpperCase();});
 629                 if ( v != undefined ) {
 630                         o[a] = v;
 631                         if ( o.setAttribute && a != "disabled" )
 632                                 o.setAttribute(a,v);
 633                 }
 634                 return o[a] || o.getAttribute(a) || "";
 635         } else
 636                 return "";
 637 };
 638
 639 jQuery.filter = function(t,r,not) {
 640         var g = jQuery.grep;
 641         if ( not === false )
 642                 g = function(a,f) {return jQuery.grep(a,f,true);};
 643
 644         while ( t && t.match(/^[:\\.#\\[a-zA-Z\\*]/) ) {
 645                 var re = /^\[ *@([a-z0-9*()_-]+) *([~!|*$^=]*) *'?"?([^'"]*)'?"? *\]/i;
 646                 var m = re.exec(t);
 647
 648                 if ( m )
 649                         m = ["", "@", m[2], m[1], m[3]];
 650                 else {
 651                         re = /^(\[) *([^\]]*) *\]/i;
 652                         m = re.exec(t);
 653
 654                         if ( !m ) {
 655                                 re = /^(:)([a-z0-9*_-]*)\( *["']?([^ \)'"]*)['"]? *\)/i;
 656                                 m = re.exec(t);
 657
 658                                 if ( !m ) {
 659                                         re = /^([:\.#]*)([a-z0-9*_-]*)/i;
 660                                         m = re.exec(t);
 661                                 }
 662                         }
 663                 }
 664                 t = t.replace( re, "" );
 665
 666                 if ( m[1] == ":" && m[2] == "not" )
 667                         r = jQuery.filter(m[3],r,false).r;
 668                 else {
 669                         var f = null;
 670
 671                         if ( jQuery.g[m[1]].constructor == String )
 672                                 f = jQuery.g[m[1]];
 673                         else if ( jQuery.g[m[1]][m[2]] )
 674                                 f = jQuery.g[m[1]][m[2]];
 675
 676                         if ( f ) {
 677                                 eval("f = function(a,i){return " + f + "}");
 678                                 r = g( r, f );
 679                         }
 680                 }
 681         }
 682
 683         return { r: r, t: t };
 684 };
 685
 686 jQuery.parents = function(a){
 687         var b = [];
 688         var c = a.parentNode;
 689         while ( c && c != document ) {
 690                 b[b.length] = c;
 691                 c = c.parentNode;
 692         }
 693         return b;
 694 };
 695
 696 jQuery.cleanSpaces = function(t){
 697         return t.replace(/^\s+|\s+$/g, "");
 698 };
 699
 700 jQuery.ofType = function(a,n,e) {
 701         var t = jQuery.grep(jQuery.sibling(a),function(b){ return b.nodeName == a.nodeName; });
 702         if ( e ) n = t.length - n - 1;
 703         return n != undefined ? t[n] == a : t.length;
 704 };
 705
 706 jQuery.sibling = function(a,n,e) {
 707         var type = [];
 708         var tmp = a.parentNode.childNodes;
 709         for ( var i = 0; i < tmp.length; i++ ) {
 710                 if ( tmp[i].nodeType == 1 )
 711                         type[type.length] = tmp[i];
 712                 if ( tmp[i] == a )
 713                         type.n = type.length - 1;
 714         }
 715         if ( e ) n = type.length - n - 1;
 716         type.cur = ( type[n] == a );
 717         type.prev = ( type.n > 0 ? type[type.n - 1] : null );
 718         type.next = ( type.n < type.length - 1 ? type[type.n + 1] : null );
 719         return type;
 720 };
 721
 722 jQuery.hasWord = function(e,a) {
 723         if ( e == undefined ) return;
 724         if ( e.className ) e = e.className;
 725         return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e);
 726 };
 727
 728 jQuery.merge = function(a,b) {
 729         var d = [];
 730         for ( var k = 0; k < b.length; k++ ) d[k] = b[k];
 731
 732         for ( var i = 0; i < a.length; i++ ) {
 733                 var c = true;
 734                 for ( var j = 0; j < b.length; j++ )
 735                         if ( a[i] == b[j] )
 736                                 c = false;
 737                 if ( c ) d[d.length] = a[i];
 738         }
 739
 740         return d;
 741 };
 742
 743 jQuery.grep = function(a,f,s) {
 744         if ( f.constructor == String )
 745                 f = new Function("a","i","return " + f);
 746         var r = [];
 747         if ( a )
 748                 for ( var i = 0; i < a.length; i++ )
 749                         if ( (!s && f(a[i],i)) || (s && !f(a[i],i)) )
 750                                 r[r.length] = a[i];
 751         return r;
 752 };
 753
 754 jQuery.map = function(a,f) {
 755         if ( f.constructor == String )
 756                 f = new Function("a","return " + f);
 757
 758         var r = [];
 759         for ( var i = 0; i < a.length; i++ ) {
 760                 var t = f(a[i],i);
 761                 if ( t !== null && t != undefined ) {
 762                         if ( t.constructor != Array ) t = [t];
 763                         r = jQuery.merge( t, r );
 764                 }
 765         }
 766         return r;
 767 };
 768
 769 jQuery.event = {
 770
 771         // Bind an event to an element
 772         // Original by Dean Edwards
 773         add: function(element, type, handler) {
 774                 // For whatever reason, IE has trouble passing the window object
 775                 // around, causing it to be cloned in the process
 776                 if ( jQuery.browser == "msie" && element.setInterval != undefined )
 777                         element = window;
 778
 779                 if (!handler.guid) handler.guid = jQuery.event.guid++;
 780                 if (!element.events) element.events = {};
 781                 var handlers = element.events[type];
 782                 if (!handlers) {
 783                         handlers = element.events[type] = {};
 784                         if (element["on" + type])
 785                                 handlers[0] = element["on" + type];
 786                 }
 787                 handlers[handler.guid] = handler;
 788                 element["on" + type] = jQuery.event.handle;
 789         },
 790
 791         guid: 1,
 792
 793         // Detach an event or set of events from an element
 794         remove: function(element, type, handler) {
 795                 if (element.events)
 796                         if (type && element.events[type])
 797                                 if ( handler )
 798                                         delete element.events[type][handler.guid];
 799                                 else
 800                                         for ( var i in element.events[type] )
 801                                                 delete element.events[type][i];
 802                         else
 803                                 for ( var j in element.events )
 804                                         jQuery.event.remove( element, j );
 805         },
 806
 807         trigger: function(element,type,data) {
 808                 data = data || [ jQuery.event.fix({ type: type }) ];
 809                 if ( element && element["on" + type] )
 810                         element["on" + type].apply( element, data );
 811         },
 812
 813         handle: function(event) {
 814                 // Handle adding events to items in IFrames, in IE
 815                 event = event ||
 816                         jQuery.event.fix( ((this.ownerDocument || this.document ||
 817                                 this).parentWindow || window).event );
 818
 819                 // If no correct event was found, fail
 820                 if ( !event ) return;
 821
 822                 var returnValue = true, handlers = [];
 823
 824                 for ( var j in this.events[event.type] )
 825                         handlers[handlers.length] = this.events[event.type][j];
 826
 827                 for ( var i = 0; i < handlers.length; i++ )
 828                         if ( handlers[i].constructor == Function ) {
 829                                 this.handleEvent = handlers[i];
 830                                 if (this.handleEvent(event) === false) {
 831                                         event.preventDefault();
 832                                         event.stopPropagation();
 833                                         returnValue = false;
 834                                 }
 835                         }
 836                 return returnValue;
 837         },
 838
 839         fix: function(event) {
 840                 if ( event ) {
 841                         event.preventDefault = function() {
 842                                 this.returnValue = false;
 843                         };
 844
 845                         event.stopPropagation = function() {
 846                                 this.cancelBubble = true;
 847                         };
 848                 }
 849
 850                 return event;
 851         }
 852
 853 };